单词学习：motive 名词
motive
/ˈmoʊtɪv/
动机；目的；原因
The police are still investigating the motive behind the crime, but Detective Gu suspects it was financial gain.
警方仍在调查这起犯罪背后的动机，但顾警官怀疑是出于经济利益。
单词卡片
卡片已就绪
